Lincoln Electric SVM 122-A Welder User Manual


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G-2
ELECTRICAL DIAGRAMS
IDEALARC DC400
Wiring Diagram (Codes 9847, 9848)
L9106
12-9-94F
H2
H3
H4
ELECTRICAL SYMBOLS PER
1
1
2
4
3
1
6 PIN4 PIN 8 PIN 12 PIN
J6J3 J2
CONNECTOR CAVITY
NUMBERING SEQUENCE
(COMPONENT SIDE OF P.C.
BOARD)
NOTES
225
4 2 31 32 75 76 77
225
TS1
TS2
C6 .0047MFD/1400V
10K /2W
ARC FORCE CONTROL
S4C
ACTUATED
IN CC ONLY
S4D
ACTUATED
218
204 208 209
R5
228
204
219
217
204
GREEN
216
CHOKE
OUTPUT
L1
MODE SWITCH
S4A
CC
CC
S4B
F
3
2
1
S 216
R1
219
15 /100W
ARC CONTROL
CONTROL BOARD
1
2
3
4
5
6
J6
STARTING
BOARD
P6
225
VM
206
231
+
+
-
-
224
224
75
211
R4
10K /2W
OUTPUT
CONTROL
S2
OUTPUT CONTROL
SWITCH
32A
76
212
211
213
77
S3
SWITCH
32
4
SWITCH
MULTI-PROCESS
OPTIONAL
+
-
WORK
ELECTRODE
4
2
TO NEG.
TERM.
TO POS.
TERM.
232
PILOT
LIGHT
SWITCH
POWER
S1
225
P2
209
214
217
204
206
206
208
1
2
3
4
5
6
7
8
9
J2
10
11
12
205
205
212
75
213
J1
8
7
6
5
4
3
2
1
201
202
203
204
4
P1
1
2
3
4
J3
P3
AUXILIARY
10
7
4
1
16
P5
1
2
3
4
5
6
7
8
J5
SNUBBER
BOARD
204
GREEN
224
225
223
222
221
220
D1
D2
D3
SCR1
SCR2
D4
204
G3
G2
G1
204
204
205
206
216
215
CR3
SHUNT
SWITCH
REED
204
RECTIFIER
ASSEMBLY
C1
C2
C3
C4
C5
+
+
+
+
+
31,000MFD
50V EACH
254
204
0.5 /50W
0.5 /50W
10A
SLOW
BLOW
R7
R8
F2
OPTION
T1 MAIN
TRANSFORMER
CAPACITOR
DISCHARGE
RELAY
CR4
4
231
231
115V
X2
X1
232
31
32A
CONTACTOR
CR1
X1
233
TO SUPPLY
LINES
H4
4
5
6
9
8
7
11
12
21V
18
3
6
9
S
S
S
X2 SEC
X1 SEC
X3 SEC
17
2
5
8
201
FAN MOTOR
H1
CONNECT OR
INPUT
CONNECTION
DISCHARGE
CAPACITOR
+-
S5
SCR3
202
203
1
5
6
7
8
31
32
228
215
218
N.C.
N.O.
N.C.
N.O.
METERS
(SHOWN CONNECTED FOR 220 V.)
TO GROUND
PER NATIONAL
ELECTRICAL
CODE
H2
H3
11
3
2
1
CONTACTOR
CR1
X1
233
TO SUPPLY
LINES
H1
(SHOWN CONNECTED
RECONNECT PANEL
H2
H3
TO PRIMARY COILS
COILS
TO PRIMARY
232
CONTACTOR
CR1
X1
233
TO SUPPLY
LINES
4
5
6
9
8
7
H1
3
2
1
H2
H3
232
N.B.
220/380/440 VOLTAGE
N.A.
380/500 V.
N.B.
N.A.
H2
H3
H4
E1537
1
5
6
4
3
2
1
2
3
4
5
6
2
3
4
2
3
4
7
8
9
10
11
12
6 PIN4 PIN 12 PIN
J6J3 J2
CONNECTOR CAVITY
NUMBERING SEQUENCE
(COMPONENT SIDE OF P.C.
BOARD)
4 2 31 32 75 76 77
TS2
218
204 208 209
R5
214
218
234
217
216
CHOKE
OUTPUT
L1
FRONT GANG
S4A
CC
CC
S4B
F
3
2
1
S 216
234
SWITCH
CONTROL BOARD
1
2
3
4
5
6
J6
STARTING
BOARD
P6
225
AM
206
231
+
+
-
-
224
224
210
R4
OUTPUT
CONTROL
76
212 210
211
213
77
+
-
WORK
ELECTRODE
4
2
TO TERM.
STRIP
232
PILOT
LIGHT
SWITCH
POWER
S1
225
209
214
217
204
206
206
208
1
2
3
4
5
6
7
8
9
J2
10
11
12
205
205
212
75
213
J1
8
7
6
5
4
3
2
1
201
202
203
204
225
220
1
2
3
4
J3
COILS
PRIMARY
TOP
10
7
4
1
BOTTOM
PRIMARY
P5
1
2
3
4
5
6
7
8
J5
SNUBBER
BOARD
204
GREEN
224
225
223
222
221
220
D1
D2
D3
SCR1
SCR2
D4
204
G3
G2
G1
204
204
205
206
216
215
CR3
SHUNT
SWITCH
REED
RECTIFIER
ASSEMBLY
C1
C2
C3
C4
+
+
+
+
+
31,000MFD
50V EACH
254
204
0.5 /50W
0.5 /50W
10A
SLOW
BLOW
R7
R8
F2
OPTION
CAPACITOR
DISCHARGE
RELAY
CR4
4
231
231
115V
X2
204
115V
11
12
3
6
9
X2 SEC
X1 SEC
X3 SEC
2
5
8
201
INSULATE AS
T2 CONTROL
DIAGRAM
DISCHARGE
CAPACITOR
+-
S5
SCR3
202
203
1
6
7
8
32
228
215
218
10
12
FLEX LEAD
JUMPER
230/400 VOLTAGE
T0 PRIMARY COILS
11
10
12
W
V
u
L1
L2
L3
18
17
16
3
2
1
W
V
U
L1
L2
L3
L1
L2
L3
W
V
U
41
42
42
2
41
41
SECONDARY
PRIMARY
CIRCUIT
BREAKER
42A
42V
S
241
115V
S
21V
31
41
21
75
76
77
4
2
32
N.A.
42
51
52
50
2A
CIRCUIT
BREAKER
S
220V
N.C.
41
9
10
2
240
Y
42
LIGHT
MIN. IND. (5)
MAX. IND.
(1)
N.A. CIRCUITRY PRESENT ON
CAPACITOR DISCHARGE
ONLY.
N.B. TAPE UP SEPARATELY
TO PROVIDE AT LEAST
600 V INSULATION.
N.C. 220V WINDING, PLUG
50/60 HERTZ WELDER.
10A
CIRCUIT
BREAKER
W
233
233
10AMP
THERMOSTAT
THERMOSTAT
N.B.
N.D.
21V
N.D. 31 AND 32 ARE NOT
PRESENT ON EUROPEAN
MODELS.
TERMINALS
2
CONTACTOR
CR1
U
V
W
X1
233
4
5
6
9
8
7
H1
3
2
1
H2
H3
COILS
TO PRIMARY
232
CONTACTOR
CR1
U
V
W
X1
233
TO SUPPLY
LINES
H1
3
2
1
232
H2
H3
N.B.
N.B.
L1
L2
L3
TO SUPPLY
LINES
L1
L2
L3
RECONNECT PANEL
1
2
3
FOR 380 V.)
RECONNECT PANEL
RECONNECT PANEL
DOES NOT APPEAR ON
THIS CONNECTION
H1
15
6
7
8
15
6
7
8
10 PIN
J5 J1
10
9
AND CIRCUIT BREAKER
ARE PRESENT ONLY ON
STUD
GROUNDING
LEAD NOT PRESENT WITH
DIODE OPTION
DIODE
OPTION
N.E.
N.E. CIRCUITRY PRESENT ON
DIODE OPTION ONLY.
THERMAL
PROTECTION
TRANSFORMER
SHOWN ON
21
224
VOLTMETER
SWITCH
S6
21
225
+
R3
R2
227
204
R3
R2
7.5 /100W
40 /50W
OUTPUT
CV-FCAW/GMAW
CV-SUB ARC
CV-FCAW/GMAW
CV-SUB ARC
ONLY
CV-FCAW/GMAW
220/380/440V AND
230/400V MACHINES
TO GROUND
PER NATIONAL
(SHOWN CONNECTED
FOR 230 V.)
TO GROUND
PER NATIONAL
TO GROUND
PER NATIONAL
DUAL & SINGLE VOLTAGE
UNDER 346 VOLTS
(SHOWN CONNECTED FOR
LOW VOLTAGE)
CODE
SINGLE VOLTAGE OVER
345 VOLTS
TO GROUND PER
NATIONAL ELECTRICAL
ELECTRICAL CODE ELECTRICAL CODE
ELECTRICAL CODE
205
206
G-2
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NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The wiring diagram specific to your code is pasted inside one of the enclosure panels of your machine.
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